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import os
import os.path
import shutil
import hashlib
import logging
logger = logging.getLogger(__name__)
from object import ObjectWriter

class UserHandler:

    def __init__(self, root):
        self.root = root

    def register(self, jid, registration):
        userDir = self.root + '/' + jid
        if os.path.exists(userDir):
            logger.error("User {} path already exists".format(jid))
        os.mkdir(userDir)
        ObjectWriter(jid)
        return True

    def registered(self, jid):
        return os.path.exists(self.root + '/' + jid)

    def unregister(self, jid):
        shutil.rmtree(self.root + '/' + jid)

    def get_user_list(self):
        return os.listdir(self.root)

def register(self, jid, registration):
        username = registration['username']

        def filter_usernames(user):
            return user != jid and self.users[user]['username'] == username

        conflicts = filter(filter_usernames, self.users.keys())
        if conflicts:
            return False

        self.users[jid] = registration
        return True
class User:

    def __init__(self, name):
        self.name = name
        self.rootObject = hashlib.sha1(name).hexdigest()